Faculty Profile for Dr. Dittmar Hahn

profile photo for Dr. Dittmar Hahn
Dr. Dittmar Hahn
Chair - Professor — Biology
SUPP 384
phone: (512) 245-2178

Selected Scholarly/Creative Work

  • Normand, P., Nouioui, I., Neumann-Schaal, M., Herrera-Belaroussi, A., Abrouk, D., Vemulapally, S., … Hahn, D. (2023). Frankia umida sp. nov., isolated from root nodules of Alnus glutinosa L. International Journal of Systematic and Evolutionary Microbiology, 73(3). https://doi.org/10.1099/ijsem.0.005939
  • Villamizar Gomez, A., Guerra, T., Tocidlowski, M. E., Forstner, M. R., & Hahn, D. (2023). Quantification of chlamydiae in the endangered Houston toad (Anaxyrus houstonensis). FEMS Microbiology Letters. https://doi.org/doi.org/10.1093/femsle/fnad067
  • Nouioui, I., Neumann-Schaal, M., Pujic, P., Fournier, P., Normand, P., Herrera-Belaroussi, A., … Hahn, D. (2023). Frankia nepalensis sp. nov., a non-infective non-nitrogen-fixing isolate from root nodules of Coriaria nepalensis Wall. International Journal of Systematic and Evolutionary Microbiology.
  • Normand, P., Pujic, P., Abrouk, D., Vemulapally, S., Guerra, T., Carlos-Shanley, C., & Hahn, D. (2023). Draft genomes of Frankia strains AiPa1 and AiPs1 retrieved from soil with monocultures of Picea abies or Pinus sylvestris using Alnus incana as capture plant. Journal of Genomics, 11, 1–8.
  • Normand, P., Pujic, P., Abrouk, D., Vemulapally, S., Guerra, T. M., Carlos-Shanley, C., & Hahn, D. (2022). Draft Genome of Frankia sp. Strain R82, an Isolate from Root Nodules of Myrica gale. Microbiology Resource Announcements, e0092522. https://doi.org/10.1128/mra.00925-22

Selected Awards

  • Award / Honor Recipient: Distinguished Professor. 2016
  • Award / Honor Recipient: Regents' Professor. 2016
  • Award / Honor Recipient: Presidential Award for Excellence in Science/Scholarship (Associate professor), Texas State University-San Marcos. 2012
  • Award / Honor Recipient: Presidential Award for Excellence in Science/Scholarship (Associate professor), Texas State University-San Marcos. 2008

Selected Grants

  • Hahn, Dittmar, Hamerlynck, E., Slater, L., Yee, N.. Biogeoscience Research Initiative, Deans Excellence Funds at Rutgers, $60000. (Funded: 2004). Grant.
  • Nowlin, W. (Principal), Hahn, Dittmar (Co-Principal). Evaluation of the trophic status and functional feeding group status of the comal springs riffle beetle, Edwards Aquifer Authority, $69354. (Funded: January 1, 2016 - December 31, 2016). Grant.
  • Tomasso, J. (Principal), Hahn, Dittmar (Co-Principal), Forstner, M.R.J. (Co-Principal). Houston toad management during recovery and rebuilding activities for home-sites in the Bastrop Complex Fire zone, Texas General Land Office, $275000. (Funded: June 1, 2013 - May 30, 2014). Grant.
  • Tomasso, J. (Principal), Hahn, Dittmar (Co-Principal), Forstner, M.R.J. (Co-Principal). Houston toad management options during drainage restoration actions in Bastrop County, NRCS, $97632. (Funded: March 1, 2013 - February 28, 2014). Grant.
  • Venumbaka, R. (Principal), Hahn, Dittmar (Co-Principal), Forstner, M.R.J. (Co-Principal). Detecting occurrence of Houston toads in Colorado County with development of avoidance and minimization measures for pipeline operations, Inergy, Inc., $246890. (Funded: March 1, 2013 - June 30, 2013). Grant.

Selected Service Activities

Chair
Department of Biology
September 1, 2013-Present
Ph.D. Program Director
Aquatic Resources
2008-2013
Member
Institutional Biosafety Committee
December 2007-2013
Member
JAMP Committee
2005-2013
Member
Texas State Biology Department Greenhouse Committee
August 2005-2013